package com.wht.service;

import com.wht.domain.Singer;

import java.util.List;

/**
 * @author wanghaotian
 * time:2022/11/25,0025 10:40
 * description:
 */

public interface FindAllSingerService {
    List<Singer> findAllSinger();
    Singer findOneSinger(Integer sid);
}
